1 files changed, 44 insertions, 0 deletions
diff --git a/system-build/functions/aliases.sh b/system-build/functions/aliases.sh
new file mode 100755
index 0000000..3df028f
--- /dev/null
+++ b/system-build/functions/aliases.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+## live-build(7) - System Build Scripts
+## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
+##
+## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
+## This is free software, and you are welcome to redistribute it
+## under certain conditions; see COPYING for details.
+
+
+Find_files ()
+{
+	(ls "${@}" | grep -qs .) > /dev/null 2>&1
+}
+
+In_list ()
+{
+	NEEDLES="${1}"
+	shift
+
+	for ITEM in ${@}
+	do
+		for NEEDLE in ${NEEDLES}
+		do
+			if [ "${NEEDLE}" = "${ITEM}" ]
+			then
+				return 0
+			fi
+		done
+	done
+
+	return 1
+}
+
+Truncate ()
+{
+	for FILE in ${@}
+	do
+		if [ ! -L ${FILE} ]
+		then
+			: > ${FILE}
+		fi
+	done
+}